
/*
* 无限睡眠，阻塞程序
* */
public class Main {

    public static void main(String[] args) {
        long ONE_HOUR = 60 * 60 * 1000;

        try {
            Thread.sleep(ONE_HOUR);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }

    }

}
